74751-57-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74751-57-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,7,5 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 74751-57:
(7*7)+(6*4)+(5*7)+(4*5)+(3*1)+(2*5)+(1*7)=148
148 % 10 = 8
So 74751-57-8 is a valid CAS Registry Number.
74751-57-8Relevant articles and documents
Mori-Hiyama versus hay coupling for higher polyynes
Gulia, Nurbey,Osowska, Karolina,Pigulski, Bartlomiej,Lis, Tadeusz,Galewski, Zbigniew,Szafert, Slawomir
experimental part, p. 4819 - 4830 (2012/10/18)
Dimerizations of C4 precursors RCa=CCa=CTMS [R = C 6H5 (1), p-CH3C6H5, (2), 4-n-C5H11C6H4 (3), C 6H9 (4), p-CH3O
